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Steatoda bipunctada

Steatoda bipunctada

Photography by: K. J. Ester - Madison Heights, Michigan

Photography by: Ken Mirman - Machiasport, Maine

Description – Most often, the S. bipunctata is brown and has a thin, light colored, stripe that curves around the front of the abdomen as well as running down the middle of it a short ways. The abdomen on this fellow is not always as glossy as the others.

Size – The Steatoda Bipunctata are one of the smaller Steatoda, as the females only grow to about 5/16” (8mm). Including the legs that would be a little more than a half inch. Maybe as large as 5/8” (16mm).

Bites – There is extremely little information available on the effects of a bite by the Steatoda bipunctata. A large reason for this is because there are so few bites by them. The S. bipunctata is a very timid spider and only bites when it absolutely needs to. In some articles I found on-line, it is reported that they cannot penetrate the human skin. I read one article saying that it is very rare to be bit by them but when they do it is no worse than a bee sting. One thing for sure, of the different Steatoda, the Bipunctata seems to be one of the least dangerous.